21 1 10 Lutz, Harold J. Primary Author mixed material New York John Wiley & Sons, Inc. 1959 6342_1_11zon.jpeg.jpeg KOOLS, J.F. Primary Author mixed material Wageningen Landbouwhogeschool 1935 2200381_thes_17_11zon.jpeg.jpeg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150199 Pematang Siantar Balai Penelitian Kehutanan 1989 BULETIN_PENELITIAN_KEHUTANAN_VOL._5_NO._2_JULI_1989.jpg Dr. Ir. Ahmad Fauzi Mas\'ud, M. Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1993 Buletin_Penelitian_Kehutanan_Vol._9_No._3_Oktober_1993.jpg Dr. Ir. Ahmad Fauzi Mas\'ud, M. Sc. Additional Author mixed material 02150199 Pematang Siantar Balai Penelitian Kehutanan 1993 Buletin_Penelitian_Kehutanan_Vol._9_No._4_Desember_1993.jpg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1992 BULETIN_PENELITIAN_KEHUTANAN_VOL._8_NO._2_JULI_1992.jpg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1996 BULETIN_PENELITIAN_KEHUTANAN_VOL._11_%28S%29_April_1996.jpg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1995 BULETIN_PENELITIAN_KEHUTANAN_VOL._11_NO._1_APRIL_1995.jpg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1993 BULETIN_PENELITIAN_KEHUTANAN_VOL._9_NO._2_JULI_1993.jpg Ir. Rusli MS Harahap, M.Sc. Additional Author mixed material 02150190 Pematang Siantar Balai Penelitian Kehutanan 1996 BULETIN_PENELITIAN_KEHUTANAN_VOL._11_NO._4_JULI_1996.jpg